//This is the implementation file of maths.h
//We defined two functions in the header file, 
//and this is where we will implement these two
//functions

//TODO: Include your header file in the implementation file
#include "maths.h"

int square(int number){
    return number * number;
}


int sum(int number1, int number2){
    return number1 + number2;
}


double circumference(int radius){
    return 2 * PI * radius;
}